almost two years ago, the demonstrators are voicing their anger with president mohamed morsi after what some are calling an unprecedented power grab. cnn's reza sayah is joining us from cairo once again. reza, we're hearing about attacks against several muslim brotherhood offices in egypt. what do you know about that? >> reporter: according to the brotherhood spokesperson, two of their offices were attacked by anti-morsi protesters. the brotherhood says the protesters were carrying molotov cocktails, clubs and knives and destroyed and heavily damaged these offices. remember, muslim brotherhood had called for a one-million-man demonstration of their own today to rival the opposition's demonstrations. late last night they called it off to avoid violence. but in these two particular cities north of cairo, they didn't avoid violence. >> reza, we're also seeing and i want to show our viewers some live pictures from tahrir square in cairo not far from where you are right now. you were there earlier in the day. who are these protesters? and there are huge numbers there. we see the tents. what'